README: add markdown syntax

Reviewed-by: llogan
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avresample: Add avresample_get_out_samples

Utility function to get the upper bound on the number of samples the
resampler would output.

nut: Support experimental NUT 4 features

Add the low overhead pipe mode and the extended broadcast mode.
Export the options as 'syncponts' since it impacts only that.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

avformat: Provide a standard compliance flag

Provide f_strict for avconv usage.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Merge commit '7dba055bb0d31b2c79d9c3a66abb849a71417d3c'

* commit '7dba055bb0d31b2c79d9c3a66abb849a71417d3c':
  oggenc: Fix the EOS flag

Conflicts:
tests/ref/lavf/ogg

See: 919c320f7226bf873a9148e1db8994745f9d425d
Merged-by: Michael Niedermayer <michaelni@gmx.at>

oggenc: Fix the EOS flag

This corrects the bug that caused the checksums to change in
9767d7c092c890ecc5953452e8a951fd902dd67b.

It caused the EOS flag to be set incorrectly; the ogg spec does not
allow it to be set in the middle of a logical bitstream.

Signed-off-by: Andrew Kelley <superjoe30@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

lavf: Remove experimental flag for Opus in WebM

Opus in WebM is no more experimental as we have everything necessary in
the container writing code as per the spec. So removing the experimental flag.
Note that we removed the experimental suffix from the CodecId field long
ago ( http://goo.gl/O0TYRB ).

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/utils: Warning about invalid cover art instead of an error

This way other streams can still be used with the -map option.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

x86: hevc_mc: better register allocation

The xmm reg count was incorrect, and manual loading of the gprs
furthermore allows to noticeable reduce the number needed.

The modified functions are used in weighted prediction, so only a
few samples like WP_* exhibit a change. For this one and Win64
(some widths removed because of too few occurrences):

WP_A_Toshiba_3.bit, ff_hevc_put_hevc_uni_w
         16    32
before: 2194  3872
after:  2119  3767

WP_B_Toshiba_3.bit, ff_hevc_put_hevc_bi_w
         16    32    64
before: 2819  4960  9396
after:  2617  4788  9150

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/mjpegdec: Support pix_fmt_id== 0x42111100

Fixes: 538782_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/matroskaenc: fix ident string

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'b5aa48551300eed678aaea86ced7086758598a35'

* commit 'b5aa48551300eed678aaea86ced7086758598a35':
  ppc: Move vec_unaligned_load macro to util_altivec

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '593886b5dd2b583657aa3fd80bb173f702c9710d'

* commit '593886b5dd2b583657aa3fd80bb173f702c9710d':
  ppc: util_altivec: Drop unused macros

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '106b62f4ba600f24415eaded5e020aeceb23fd59'

* commit '106b62f4ba600f24415eaded5e020aeceb23fd59':
  matroskaenc: write the channel mask for FLAC

Conflicts:
libavformat/matroskaenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'efcde917af407a6031ecff68edd51fce7b83d104'

* commit 'efcde917af407a6031ecff68edd51fce7b83d104':
  vorbiscomment: simplify API by using av_dict_count()

Conflicts:
libavformat/flacenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '23f741f79327e31be7b2a75ebb2e02111e06e52f'

* commit '23f741f79327e31be7b2a75ebb2e02111e06e52f':
  matroskadec: parse the channel layout mask for FLAC

Conflicts:
libavformat/oggparsevorbis.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '4efdadc8ec50332c812e8a95e8c67f5a260e7cb0'

* commit '4efdadc8ec50332c812e8a95e8c67f5a260e7cb0':
  matroskadec: export just the STREAMINFO block as FLAC extradata

Conflicts:
libavformat/matroskadec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '6df478bf891b9fc5626e4a0b993899f310ba0a1c'

* commit '6df478bf891b9fc5626e4a0b993899f310ba0a1c':
  matroskadec: split parsing tracks into a separate function

Conflicts:
libavformat/matroskadec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '5fdaf312c5541b77b6364db8b49d6abb416a25c0'

* commit '5fdaf312c5541b77b6364db8b49d6abb416a25c0':
  flac: make avpriv_flac_parse_block_header() inline

Merged-by: Michael Niedermayer <michaelni@gmx.at>

ppc: Move vec_unaligned_load macro to util_altivec

This allows reusing it from multiple files.

Merge commit '54ed488b1af583df6c9d2a73b4a44f16b7e4f82c'

* commit '54ed488b1af583df6c9d2a73b4a44f16b7e4f82c':
  flac muxer: write WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag for multichannel files

Conflicts:
libavformat/flacenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'd6b9ce99ea384fb676561461768b8316725a4ccd'

* commit 'd6b9ce99ea384fb676561461768b8316725a4ccd':
  flac demuxer: parse the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'f13ffb6636fdecb5e3e0ddcff48f096e7b3db362'

* commit 'f13ffb6636fdecb5e3e0ddcff48f096e7b3db362':
  flacdec: do not overwrite a channel layout set by the caller

Merged-by: Michael Niedermayer <michaelni@gmx.at>

ppc: util_altivec: Drop unused macros

matroskaenc: write the channel mask for FLAC

vorbiscomment: simplify API by using av_dict_count()

matroskadec: parse the channel layout mask for FLAC

It is commonly stored in a vorbiscomment block in codec private data.

matroskadec: export just the STREAMINFO block as FLAC extradata

It contains all information that is used by the decoder and the other
FLAC-capable demuxers (flacdec, ogg) export only STREAMINFO as well.

matroskadec: split parsing tracks into a separate function

flac: make avpriv_flac_parse_block_header() inline

This avoids all the ABI troubles associated with avpriv_.
Since this function is very small and does not depend on any tables,
making it inline should have no adverse effects.

flac muxer: write WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag for multichannel files

flac demuxer: parse the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag

It is used to store the channel mask for non-standard layouts.

flacdec: do not overwrite a channel layout set by the caller

The channel layout mask for non-standard layouts is typically stored at
the container level (as a vorbiscomment tag) for FLAC.

ffmpeg: add -devices param

FFmpeg mix devices and file formats when -formats option is used.
This commit adds a -devices param to list devices only.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/utils: Fix segfault on m4a cover artwork parsing

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Timecode: Support 48fps

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/oggenc: fix EOS flag

This corrects the bug that caused the checksums to change in
9767d7c092c890ecc5953452e8a951fd902dd67b

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '9767d7c092c890ecc5953452e8a951fd902dd67b'

* commit '9767d7c092c890ecc5953452e8a951fd902dd67b':
  oggenc: Flush after writing headers

Conflicts:
tests/ref/lavf/ogg

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '1d3eb0b5735f6dd72d2bf648455cf06ac7c24bc1'

* commit '1d3eb0b5735f6dd72d2bf648455cf06ac7c24bc1':
  oggenc: Move ogg_write_pages up above ogg_write_header

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '512f3ffe9b4bb86767c2b1176554407c75fe1a5c'

* commit '512f3ffe9b4bb86767c2b1176554407c75fe1a5c':
  dsputil: Split off HuffYUV encoding bits into their own context

Conflicts:
configure
libavcodec/dsputil.c
libavcodec/dsputil.h
libavcodec/huffyuv.h
libavcodec/huffyuvenc.c
libavcodec/pngenc.c
libavcodec/x86/dsputilenc_mmx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '0d439fbede03854eac8a978cccf21a3425a3c82d'

* commit '0d439fbede03854eac8a978cccf21a3425a3c82d':
  dsputil: Split off HuffYUV decoding bits into their own context

Conflicts:
configure
libavcodec/dsputil.c
libavcodec/dsputil.h
libavcodec/huffyuv.h
libavcodec/huffyuvdec.c
libavcodec/lagarith.c
libavcodec/vble.c
libavcodec/x86/Makefile
libavcodec/x86/dsputil.asm
libavcodec/x86/dsputil_init.c
libavcodec/x86/dsputil_mmx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '888dcd86755d37e55fd74166f6d38ad66d41db58'

* commit '888dcd86755d37e55fd74166f6d38ad66d41db58':
  h264_picture: Remove pointless dsputil.h #include

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'f1df0a4c08b54e722e7a2c797d0d31c7f2c531d0'

* commit 'f1df0a4c08b54e722e7a2c797d0d31c7f2c531d0':
  on2avc: Remove pointless dsputil.h #include

Merged-by: Michael Niedermayer <michaelni@gmx.at>

avformat/rtspdec: Use av_mallocz_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/vp3: use av_mallocz_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/cavs: use av_mallocz_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/filters: amix only supports float samples

Signed-off-by: Lou Logan <lou@lrcd.com>

oggenc: Flush after writing headers

Before, header information for ogg format files was sent with the
first encoded packet.

This patch makes it so that it is possible for API users to
differentiate between headers and encoded audio. This is useful, for
example, when creating an audio stream where you want to send one set
of headers for every client that connects and then the encoded stream
of audio.

Signed-off-by: Martin Storsjö <martin@martin.st>

oggenc: Move ogg_write_pages up above ogg_write_header

Signed-off-by: Martin Storsjö <martin@martin.st>

avfilter/formats: Avoid using non public AV_SAMPLE_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

dsputil: Split off HuffYUV encoding bits into their own context

Also shorten HuffYUV context member names to avoid clutter.

dsputil: Split off HuffYUV decoding bits into their own context

Also shorten HuffYUV context member names to avoid clutter.

avfilter/vf_drawtext: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_telecine: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_transpose: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_swapuv: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_noise: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_mergeplanes: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/il: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/hflip: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/crop: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/formats: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Improve the detection of architecture x86.

This fixes building on Debian GNU/Hurd.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

x86/dsputilenc: use HADDD in ff_sse16_sse2

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

h264_picture: Remove pointless dsputil.h #include

on2avc: Remove pointless dsputil.h #include

x86/dsputilenc: implement SSE2 version of diff_pixels

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/x86/dsputilenc: set the count of SSE registers correctly for get_pixels

Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '7cc4c9f32f446feaec5447e3d097e8147e35f156'

* commit '7cc4c9f32f446feaec5447e3d097e8147e35f156':
  lavfi/formats: avoid using AV_{PIX,SAMPLE}_FMT_NB

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'b03b2d86aa9d79670825b42d8a8a7c41f59cb444'

* commit 'b03b2d86aa9d79670825b42d8a8a7c41f59cb444':
  buffersrc: avoid using AV_PIX_FMT_NB

Conflicts:
libavfilter/buffersrc.c

No change as AV_PIX_FMT_NB was not used by our buffersrc.c
See: 0d58bbb28d90a16bdb0ece6f5c67e12167a67a0f
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'a7d070acb55c3ebbdd5e93e3366f32865732b8a3'

* commit 'a7d070acb55c3ebbdd5e93e3366f32865732b8a3':
  vf_fieldorder: avoid using AV_PIX_FMT_NB

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '862f33c10ea38ea49fa4188725df5e5246dbd1d8'

* commit '862f33c10ea38ea49fa4188725df5e5246dbd1d8':
  vf_scale: use the pixfmt descriptor API

Conflicts:
libavfilter/vf_scale.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

avfilter/vf_format: fix duplicate ;

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '45fc73edfe071f9690e8671ed2dc402b1cb02ece'

* commit '45fc73edfe071f9690e8671ed2dc402b1cb02ece':
  vf_format: rework format list parsing

Conflicts:
libavfilter/vf_format.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '4d8c28deab2488579f585406110b1be790896e59'

* commit '4d8c28deab2488579f585406110b1be790896e59':
  imgutils: make systematic palette opaque.

Conflicts:
libavutil/imgutils.c

See: 4d8c28deab2488579f585406110b1be790896e59
Merged-by: Michael Niedermayer <michaelni@gmx.at>

avformat/utils: set max analyze duration depending on the circumstances

Fixes Ticket3673

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat: move default for max_analyze_duration into utils.c

this way we can do better tha a single fixed constant value

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavfi/formats: avoid using AV_{PIX,SAMPLE}_FMT_NB

Thatt hardcodes the number of formats into lavfi and will break when a
shared lavu is updated, adding new formats.

buffersrc: avoid using AV_PIX_FMT_NB

That hardcodes the number of pixel formats into lavfi and will break
when a shared lavu is updated, adding new pixel formats.

vf_fieldorder: avoid using AV_PIX_FMT_NB

That hardcodes the number of pixel formats into lavfi and will break
when a shared lavu is updated, adding new pixel formats.

vf_scale: use the pixfmt descriptor API

Avoid using AV_PIX_FMT_NB, since that hardcodes the number of pixel
formats into lavfi and will break when a shared lavu is updated, adding
new pixel formats.

vf_format: rework format list parsing

Avoid using AV_PIX_FMT_NB, since that hardcodes the number of pixel
formats into lavfi and will break when a shared lavu is updated, adding
new pixel formats.

MAINTAINERS: add Trac maintainers

Signed-off-by: Lou Logan <lou@lrcd.com>

doc/ffmpeg: note that -t is also an input option

Signed-off-by: Lou Logan <lou@lrcd.com>

configure: s/solving/solve

Signed-off-by: Lou Logan <lou@lrcd.com>

doc: add a tutorial for writing filters.

avcodec/g723_1: fix writing into input frame data and warning

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Write the actual mp3 frame size when muxing into caf if available.

Fixes ticket #3648.

Merge remote-tracking branch 'cigaes/master'

* cigaes/master:
  ffmpeg: use thread message API.
  lavu: add thread message API.
  compat/w32pthreads: add return value to pthread_cond_init().

Merged-by: Michael Niedermayer <michaelni@gmx.at>

configure: uClibc native pthread requires -ldl

In the configure script, add a pthread detection with
-ldl added to cflags, because uClibc requires -ldl to
link with native libpthread.

Tested with a custom ARM toolchain with uClibc 0.9.33.2 and gcc 4.6.3.

Signed-off-by: Neil Armstrong <narmstrong@neotion.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

x86: hpeldsp: propagate changes across codecs

Some codecs still use mmx versions, so have them use the versions
with newer instruction sets.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg: use thread message API.

lavu: add thread message API.

compat/w32pthreads: add return value to pthread_cond_init().

avformat/mov: allow seeking back to the begin even if nothing is marked as keyframe

Fixes Ticket 3663

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges: fix typo in date

update APIchanges & version for c37d179

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat: add format_probesize to allow tuning the maximum amount of bytes to identify the filetype

Currently probesize is cliped at 1mb before being used for format detection.
Alternatively this cliping could be removed but this would then tie various
things like stream analysis to the file detection.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/sgirledec: fix () in RBG323_TO_BGR8() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec/rv34: Fix () in GET_PTS_DIFF() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>